SAEVO EVUS 8, Руководство пользователя

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6 Acquiring Images
58 Basic User Manual
■ Persistence
Persistence is used to average consecutive frames to provide a smoother appearance with less noise. Use lower
persistence values for fast-moving organs or tissues and higher persistence values for a smoother appearance.
To adjust the persistence:
1. Select
Persist by pressing the corresponding function key.
2. Rotate it to adjust the value.
■ Dynamic Range
Dynamic range increases the adjustable range of contrast by enhancing the intensities of parts in the grayscale. It
optimizes the ultrasound image texture.
To adjust the dynamic range:
1. Select
DYN
by pressing the corresponding function key.
2. Rotate it to adjust the value.
■ Grayscale Curve
Grayscale curve optimizes the brightness of each pixel in accordance with the corresponding echo. To adjust the
grayscale curve:
1. Select
GSC by pressing the corresponding function key.
2. Rotate it to adjust the value.
■ Adaptive Image Fusion
Adaptive image fusion provides choices of optimization methods to improve image quality through boundary
enhancement, image smoothing and system optimization.
To adjust the adaptive image fusion:
1. Select the
Menu key in the real time scan. A menu pops up on the screen.
2. Select
Adapt�Fusion
by using the trackball or the ↑ or ↓ key.
3. Rotate the
Menu
key or select the ← or → key to increase or decrease the value.
■ Sector Position/Width/Angle
Sector width (for linear probes) or sector angle (for curved and phased array probes) is used to adjust the frame
rate. You can adjust the sector width or angle to get more information without moving the probe.
The region of interest of the object can be adjusted after you adjust the sector width or sector angle.
To adjust the sector position/width/angle:
● Select Sec.Pos by pressing the corresponding function key and rotate it to horizontally move or rotate the
interest area.
●
Select Sec.Width by pressing the corresponding function key and rotate it to increase or decrease the width or
angle of the interest area.
■ Power
Power is used to select the amount of ultrasound acoustic power produced by the probe in the B mode. The
adjustment range of the power is 1%-100%, and ±1% can be adjusted each time. The real time value of the power
is displayed in the imaging information area on the basic screen.
To adjust the power:
1. Select the
Menu key in the real time scan. A menu pops up on the screen.